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近年来,我们对小麦白粉病菌生理小种的鉴定方法及我国部分麦区生理小种进行了初步的研究。现将情况简报如下。材料及方法鉴别寄主的筛选。根据多年在生产实际中的观察,和室内多次接种试
In recent years, we conducted a preliminary study on the identification method of wheat races of powdery mildew and some wheat races in China. The briefing is now as follows. Materials and Methods Identification Host Screening. According to years of observation in the actual production, and indoor vaccination many times